NXP Semiconductors MF1S5030XDA8/V1J

Overview

MF1S5030XDA8/V1 from NXP Semiconductors is a contactless smart card IC compliant with ISO/IEC 14443 Type A, featuring 1 kB EEPROM organized in 16 sectors, 4-byte non-unique ID (NUID), and CRYPTO1-based mutual three-pass authentication. It operates at 13.56 MHz, supports 106 kbit/s data transfer, and enables sub-100 ms ticketing transactions in public transport systems.

For engineers reviewing the MF1S5030XDA8/V1 datasheet, MF1S5030XDA8/V1 pinout, MF1S5030XDA8/V1 application, or MF1S5030XDA8/V1 equivalent, key selection considerations include NUID vs. UID variants, MOA8 module packaging, sector-based access control, and compatibility with legacy MIFARE Classic infrastructure for access management and electronic toll collection.

Technical Context

The MF1S5030XDA8/V1 implements a dedicated RF interface per ISO/IEC 14443A, integrating rectifier, voltage regulator, clock regenerator, and Power-On Reset - enabling fully passive operation powered solely by the reader's 13.56 MHz carrier field. Its digital control unit handles anticollision, authentication, and memory operations without external components.

Memory is structured as 16 sectors × 4 blocks (16 bytes each), with sector trailers storing keys A/B and programmable access bits. The CRYPTO1 stream cipher secures all authenticated communication, and value blocks support atomic increment/decrement/transfer for electronic purse functions with built-in backup management.

Key Specifications

Pinout & Package

MF1S5030XDA8/V1 is supplied in MOA8 plastic leadless module carrier package (SOT500-4), designed for embedding into PVC or PET smart cards. It requires no external components - power and bidirectional data are coupled via an integrated antenna coil.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar contactless smart card IC applications.

Compared with MF1S5030XDA8/V1, MF1S5000XDA8/V1 adds UID uniqueness at the cost of increased collision risk in dense environments, while MF1S5031XDUF/V1 trades standardized module packaging for design flexibility in specialized card constructions - neither offers pin-to-pin compatibility due to differing physical interfaces.

Availability

MF1S5030XDA8/V1 is available at Aetrix Electronics and suitable for public transportation ticketing, access management, and electronic toll collection requiring stable component supply across multi-year deployment cycles.

Supply support for MF1S5030XDA8/V1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and identification markets, with headquarters in Eindhoven, Netherlands.

The MF1S5030XDA8/V1 belongs to the MIFARE Classic EV1 family - engineered specifically for cost-sensitive, high-volume contactless smart card applications demanding proven security, ISO compliance, and seamless integration into existing 13.56 MHz infrastructure.

FAQ

What is the primary function of the MF1S5030XDA8/V1 in a contactless system?

The MF1S5030XDA8/V1 serves as a secure, ISO/IEC 14443A-compliant contactless smart card IC with 1 kB EEPROM, enabling applications such as transit ticketing and access control. It performs RF energy harvesting, mutual authentication via CRYPTO1, and sector-protected memory operations - all without external components. Its 4-byte NUID variant prioritizes manufacturability over guaranteed uniqueness, making MF1S5030XDA8/V1 ideal for large-scale deployments where backend systems manage identifier collisions.

How does the 4-byte NUID in MF1S5030XDA8/V1 differ from the 7-byte UID in other MIFARE Classic variants?

The MF1S5030XDA8/V1 uses a 4-byte non-unique ID (NUID), meaning identifiers may repeat across production lots - unlike the globally unique 7-byte UID in MF1S5000XDA8/V1. This reduces manufacturing complexity and cost but requires host systems to implement additional collision-handling logic during anticollision. NUID is explicitly intended for applications where uniqueness is enforced at the system level, not the silicon level, and is documented in Section 8.2.2 of the MF1S50yyX/V1 datasheet.

Can MF1S5030XDA8/V1 be used interchangeably with MF1S5000XDA8/V1 in existing hardware designs?

No - while MF1S5030XDA8/V1 and MF1S5000XDA8/V1 share identical MOA8 packaging (SOT500-4), pinout, electrical characteristics, and memory architecture, they are not functionally interchangeable without firmware validation. The NUID vs. UID distinction affects anticollision behavior (single vs. dual cascade level per ISO/IEC 14443-3) and backend authentication workflows. System-level testing is required before substitution, as MF1S5030XDA8/V1 may trigger different ATQA responses (00 04h vs. 00 44h) and require updated reader firmware.

What memory protection mechanisms does MF1S5030XDA8/V1 provide for sensitive data?

MF1S5030XDA8/V1 enforces memory protection through per-sector trailer access bits that define granular read/write/auth permissions for keys A and B. Each sector supports independent key pairs and configurable access conditions - for example, allowing Key A for administrative updates and Key B for user-facing balance changes. Additionally, secret keys are write-protected after personalization, and sector trailers return logical zeros when read, preventing key leakage. These protections are implemented in hardware and active upon power-up.

Is MF1S5030XDA8/V1 compatible with modern MIFARE readers and mobile NFC devices?

Yes - MF1S5030XDA8/V1 maintains full backward compatibility with all ISO/IEC 14443A-compliant readers, including desktop NFC readers, Android smartphones with Host Card Emulation (HCE) support, and legacy MIFARE infrastructure. It responds to standard REQA/WUPA commands and delivers correct ATQA (00 04h) and SAK (08h) values. However, newer security-focused systems may restrict use due to known CRYPTO1 vulnerabilities; MF1S5030XDA8/V1 is intended for cost-sensitive, non-high-security applications where protocol compatibility outweighs cryptographic strength.